MESON Chess Problem Database
Problem Display
PID: 245034 (K2RR3/p2Bn3/8/r2k2r1/N1Nnb2q/3P4/4pB2/2Q5 w - - 0 1)
Buglos, Janos
Scacchi e Scienze Applicate, 2001
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sc3#
- 1...Sc2
- 2.Sc3#
- 1...Sb3
- 2.Sc3#
- 1...Sf3
- 2.Sc3#
- 1...Sdf5
- 2.Sc3#
- 1...Sdc6
- 2.Sc3#
- 1...Se6
- 2.Sc3#
- 1...Sef5
- 2.Re5#
- 1...Sec6
- 2.Be6#
- 1...Sg6
- 2.Bb5#
- 1...Sg8
- 2.Bb5#
- 1...Rc5
- Tries
- 1.Qa3?
- threat
- 2.Sc3#
- 2.Qd6#
- 1...Rxa4
- 2.Qd6#
- 1...e1Q
- 2.Qd6#
- 1...e1B
- 2.Qd6#
- 1...Qg3
- 2.Sc3#
- 1...Qh2
- 2.Sc3#
- 1...Qf4
- 2.Sc3#
- 1...Qh6
- 2.Sc3#
- 1...Rc5
- 2.Sc3#
- 2.Qxc5#
- 1...Ra6
- 2.Sc3#
- 2.Qc5#
- 1...Rg6
- 2.Sc3#
- 1...Sb5
- 2.Qc5#
- 1...Sdf5
- 2.Sc3#
- 1...Sef5
- 2.Sc3#
- 2.Re5#
- 1...Sc8
- 2.Sc3#
- 2.Se3#
- 1...Bxd3!
- threat
- 1.Qf4?
- threat
- 2.Se3#
- 2.Qd6#
- 1...Qxf2
- 2.Qd6#
- 2.Qxe4#
- 1...Rxa4
- 2.Qd6#
- 1...Bxd3
- 2.Se3#
- 1...e1Q
- 2.Qd6#
- 1...e1R
- 2.Qd6#
- 1...Qg3
- 2.Qxe4#
- 1...Qh2
- 2.Se3#
- 2.Qxe4#
- 1...Qh3
- 2.Qd6#
- 2.Qxe4#
- 1...Qh6
- 2.Se3#
- 2.Qxe4#
- 1...Ra6
- 2.Se3#
- 1...Rg3
- 2.Qe5#
- 2.Qd6#
- 1...Re5
- 2.Qxe5#
- 1...Rg6
- 2.Se3#
- 2.Qe5#
- 1...Sc2
- 2.Sc3#
- 2.Qd6#
- 2.Qf7#
- 1...Sb3
- 2.Sc3#
- 2.Qd6#
- 2.Qf7#
- 1...Sf3
- 2.Sc3#
- 2.Qd6#
- 2.Qf7#
- 1...Sb5
- 2.Qf7#
- 1...Sdf5
- 2.Sc3#
- 2.Qe5#
- 1...Sdc6
- 2.Sc3#
- 2.Qd6#
- 2.Qf7#
- 1...Se6
- 2.Sc3#
- 2.Qd6#
- 1...Sef5
- 2.Re5#
- 2.Qe5#
- 1...Sc8
- 2.Se3#
- 1...Qxf4!
- threat
- 1.Qa3?
- Keys
- 1.Qe3!
- threat
- 2.Qxd4#
- 1...Qxf2
- 2.Qxe4#
- 1...Bxd3
- 2.Bb5#
- 1...Qh8
- 2.Qxe4#
- 1...Bh1
- 2.Bb5#
- 1...Bg2
- 2.Bb5#
- 1...Bf3
- 2.Bb5#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Bb5#
- 1...Bh7
- 2.Bb5#
- 1...Sc2
- 2.Sc3#
- 1...Sb3
- 2.Sc3#
- 1...Sf3
- 2.Sc3#
- 1...Sb5
- 2.Qc5#
- 1...Sdf5
- 2.Sc3#
- 1...Sdc6
- 2.Sc3#
- 1...Se6
- 2.Sc3#
- 1...Sef5
- 2.Re5#
- 1...Sec6
- 2.Be6#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 3
- Sets
- R(e);SBLOCK::S(D)
- S(b);::S(D)
- S(i);OGATE::R1(I)
- S(i);SBLOCK::R(H)+B(F),DCHECK
- S(i);::R(H)+B(F)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);XS(D)::QAR1(A)
- P(a);::QAR1(A)
- Q(d);::S(D)
- R(g);::S(D)
- S(b);S_CUTR(e)::QAR1(A)
- S(b);::S(D)
- Refutation
- B(c);XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);XS(D)::QAR1(A)
- B(c);XP(C)::S(E)
- P(a);::QAR1(A)
- Q(d);N_GUARD::QAB1(A),XB(c)
- R(e);::S(E)
- R(g);N_GUARD::QAR1(A),XR(g)
- S(b);N_GUARD::QAB(A)
- S(i);::S(E)
- Refutation
- Q(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XS(b)
- Vars
- Q(d);N_GUARD,XB(B)::QAB1(A),XB(c)
- B(c);XP(C)::R(H)+B(F)
- Q(d);N_GUARD::QAB1(A),XB(c)
- B(c);::R(H)+B(F)
- B(c);OGATE::QAR1(A)
- S(b);::S(D)
- S(b);OGATE::QAR1(A)
- S(i);OGATE::R1(I)
- S(i);SBLOCK::R(H)+B(F),DCHECK
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).